TY - JOUR AU - Richter, M; Schellhammer, K S; Machata, P; Cuniberti, G; Popov, A; Ortmann, F; Berger, R; Müllen, K; Feng, X JO - Org. Chem. Front. VL - 4 PY - 2017 DO - 10.1039/C7QO00180K SP - 847 ER -